A fascinating 25-minute glimpse into the studio recording sessions for the story, courtesy of a timecoded Shibaden tape made by the production office and retained to this day in a private collection. (24'01" | 4:3 | 1977)

A compilation of material from the long-running children's magazine programme. A 1974 edition features a strike-bound Blue Peter team having to leave their usual studio and present the programme from the set of the first Tom Baker story, Robot. Plus a series of features from 1977 in which the team make a Doctor Who theatre, complete with sets and monsters, and, with the help of sound man Dick Mills, show how viewers can make their own sound effects to accompany the performance. Featuring: Valerie Singleton, John Noakes, Peter Purves, Lesley Judd. (26'01" | 4:3 | 1974/1977)

In an interview for daytime magazine programme Pebble Mill at One in 1977, series producer Philip Hinchcliffe discusses with David Seymour his work on Doctor Who, and the possible effects of the portrayal of on-screen violence. (11'31" | 4:3 | 1977)